CAE Parc Aviation Managing Director Keith Butler is set to take over as Chief Executive of Emerald Airlines.
He will succeed Founder Conor McCarthy, who moves to the role of Executive Chairman.
Mr Butler has worked in air travel for 15 years.
Mr McCarthy said Mr Butler had “unmatched experience and expertise and has a proven track record as an established leader within the industry”.
His move to Executive Chairman will allow him to develop more opportunities for Emerald and work with its partners in International Airlines Group, Aer Lingus and British Airways.